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How to Configure ARP gateway anti-collision on CE switches

Latest reply: Aug 28, 2018 02:37:08 517 1 0 0 0

If an attacker forges the gateway address to send ARP packets with the source IP address being the IP address of the gateway on the LAN, ARP entries on hosts in the LAN record the incorrect gateway address. As a result, all traffic from user hosts to the gateway is sent to the attacker and the attacker intercepts user information. Communication between users is interrupted.

To defend against bogus gateways, you can enable the ARP gateway anti-collision on gateways.

<HUAWEI> system-view

[~HUAWEI] arp anti-attack gateway-duplicate enable

You can find the solution in Configuring ARP Gateway Anti-Collision

This post was last edited by user0017 at 2018-08-25 08:23.
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Created Aug 28, 2018 02:37:08

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